without presetting, both ports press connection, -10 °C up to +120 °C, oblique pattern. Valve body, bonnet and other parts coming into contact with the fluid made of brass resistant to dezincification (DZR). Disc with soft seal made of PTFE, maintenance-free stem seal due to double O-ring. Two integrated pressure test points and drain valves. Installation in the supply or the return pipe.Insulation for temperatures up to 110°C supplied with each valve (as packaging). A separate insulation for temperatures up to 120°C is available as accessory. When equipped with additional polystyrol shells, also suitable for cooling systems.